// Predefined symbols and macros -*- C++ -*-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,// 2006, 2007 Free Software Foundation, Inc.//// This file is part of the GNU ISO C++ Library. This library is free// software; you can redistribute it and/or modify it under the// terms of the GNU General Public License as published by the// Free Software Foundation; either version 2, or (at your option)// any later version.// This library is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the// GNU General Public License for more details.// You should have received a copy of the GNU General Public License along// with this library; see the file COPYING. If not, write to the Free// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,// USA.// As a special exception, you may use this file as part of a free software// library without restriction. Specifically, if other files instantiate// templates or use macros or inline functions from this file, or you compile// this file and link it with other files to produce an executable, this// file does not by itself cause the resulting executable to be covered by// the GNU General Public License. This exception does not however// invalidate any other reasons why the executable file might be covered by// the GNU General Public License./** @file c++config.h* This is an internal header file, included by other library headers.* You should not attempt to use it directly.*/#ifndef _GLIBCXX_CXX_CONFIG_H#define _GLIBCXX_CXX_CONFIG_H 1// Pick up any OS-specific definitions.#include <bits/os_defines.h>// Pick up any CPU-specific definitions.#include <bits/cpu_defines.h>// The current version of the C++ library in compressed ISO date format.#define __GLIBCXX__// Macros for visibility.// _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY// _GLIBCXX_VISIBILITY_ATTR#define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY#if _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY# define _GLIBCXX_VISIBILITY_ATTR(V) __attribute__ ((__visibility__ (#V)))#else# define _GLIBCXX_VISIBILITY_ATTR(V)#endif// Macros for deprecated.// _GLIBCXX_DEPRECATED// _GLIBCXX_DEPRECATED_ATTR#ifndef _GLIBCXX_DEPRECATED# define _GLIBCXX_DEPRECATED 1#endif#if defined(__DEPRECATED) && defined(__GXX_EXPERIMENTAL_CXX0X__)# define _GLIBCXX_DEPRECATED_ATTR __attribute__ ((__deprecated__))#else# define _GLIBCXX_DEPRECATED_ATTR#endif// Macros for activating various namespace association modes.// _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG// _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL// _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION// Guide to libstdc++ namespaces./*namespace std{namespace __debug { }namespace __parallel { }namespace __norm { } // __normative, __shadow, __replacednamespace __cxx1998 { }namespace tr1 { }}*/#ifdef _GLIBCXX_DEBUG# define _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG 1#endif#ifdef _GLIBCXX_PARALLEL# define _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL 1#endif#define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION// Defined if any namespace association modes are active.#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG \|| _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL \|| _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION# define _GLIBCXX_USE_NAMESPACE_ASSOCIATION 1#endif// Macros for namespace scope. Either namespace std:: or the name// of some nested namespace within it.// _GLIBCXX_STD// _GLIBCXX_STD_D// _GLIBCXX_STD_P//// Macros for enclosing namespaces and possibly nested namespaces.// _GLIBCXX_BEGIN_NAMESPACE// _GLIBCXX_END_NAMESPACE// _GLIBCXX_BEGIN_NESTED_NAMESPACE// _GLIBCXX_END_NESTED_NAMESPACE// _GLIBCXX_BEGIN_POTENTIAL_NESTED_NAMESPACE// _GLIBCXX_END_POTENTIAL_NESTED_NAMESPACE#ifndef _GLIBCXX_USE_NAMESPACE_ASSOCIATION# define _GLIBCXX_STD_D _GLIBCXX_STD# define _GLIBCXX_STD_P _GLIBCXX_STD# define _GLIBCXX_STD std# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) _GLIBCXX_BEGIN_NAMESPACE(X)# define _GLIBCXX_END_NESTED_NAMESPACE _GLIBCXX_END_NAMESPACE# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }#else# if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION // && not anything else# define _GLIBCXX_STD_D _GLIBCXX_STD# define _GLIBCXX_STD_P _GLIBCXX_STD# define _GLIBCXX_STD _6# define _GLIBCXX_BEGIN_NAMESPACE(X) _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, _6)# define _GLIBCXX_END_NAMESPACE _GLIBCXX_END_NESTED_NAMESPACE# endif// debug# if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG && !_GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL# define _GLIBCXX_STD_D __norm# define _GLIBCXX_STD_P _GLIBCXX_STD# define _GLIBCXX_STD __cxx1998# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }# define _GLIBCXX_EXTERN_TEMPLATE 0# endif// parallel# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && !_GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG# define _GLIBCXX_STD_D _GLIBCXX_STD# define _GLIBCXX_STD_P __norm# define _GLIBCXX_STD __cxx1998# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }# define _GLIBCXX_EXTERN_TEMPLATE 0# endif// debug + parallel# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG# define _GLIBCXX_STD_D __norm# define _GLIBCXX_STD_P __norm# define _GLIBCXX_STD __cxx1998# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NAMESPACE }# define _GLIBCXX_EXTERN_TEMPLATE 0# endif# if __NO_INLINE__ && !__GXX_WEAK__# warning currently using namespace associated mode which may fail \without inlining due to lack of weak symbols# endif# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) namespace X { namespace Y _GLIBCXX_VISIBILITY_ATTR(default) {# define _GLIBCXX_END_NESTED_NAMESPACE } }#endif// Namespace associations for debug mode.#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUGnamespace std{namespace __norm { }namespace __debug { }namespace __cxx1998 { }using namespace __debug __attribute__ ((strong));using namespace __cxx1998 __attribute__ ((strong));}#endif// Namespace associations for parallel mode.#if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLELnamespace std{namespace __norm { }namespace __parallel { }namespace __cxx1998 { }using namespace __parallel __attribute__ ((strong));using namespace __cxx1998 __attribute__ ((strong));}#endif// Namespace associations for versioning mode.#if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSIONnamespace std{namespace _6 { }using namespace _6 __attribute__ ((strong));}namespace __gnu_cxx{namespace _6 { }using namespace _6 __attribute__ ((strong));}namespace std{namespace tr1{namespace _6 { }using namespace _6 __attribute__ ((strong));}}#endif// Define if compatibility should be provided for -mlong-double-64.#undef _GLIBCXX_LONG_DOUBLE_COMPAT// XXX GLIBCXX_ABI Deprecated// Namespace associations for long double 128 mode._GLIBCXX_BEGIN_NAMESPACE(std)#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__# define _GLIBCXX_LDBL_NAMESPACE __gnu_cxx_ldbl128::# define _GLIBCXX_BEGIN_LDBL_NAMESPACE namespace __gnu_cxx_ldbl128 {# define _GLIBCXX_END_LDBL_NAMESPACE }namespace __gnu_cxx_ldbl128 { }using namespace __gnu_cxx_ldbl128 __attribute__((__strong__));#else# define _GLIBCXX_LDBL_NAMESPACE# define _GLIBCXX_BEGIN_LDBL_NAMESPACE# define _GLIBCXX_END_LDBL_NAMESPACE#endif_GLIBCXX_END_NAMESPACE// Allow use of "export template." This is currently not a feature// that g++ supports.// #define _GLIBCXX_EXPORT_TEMPLATE 1// Allow use of the GNU syntax extension, "extern template." This// extension is fully documented in the g++ manual, but in a nutshell,// it inhibits all implicit instantiations and is used throughout the// library to avoid multiple weak definitions for required types that// are already explicitly instantiated in the library binary. This// substantially reduces the binary size of resulting executables.#ifndef _GLIBCXX_EXTERN_TEMPLATE# define _GLIBCXX_EXTERN_TEMPLATE 1#endif// Certain function definitions that are meant to be overridable from// user code are decorated with this macro. For some targets, this// macro causes these definitions to be weak.#ifndef _GLIBCXX_WEAK_DEFINITION# define _GLIBCXX_WEAK_DEFINITION#endif// Macro used to indicate that the native "C" includes, when compiled// as "C++", have declarations in namespace std and not the global// namespace. Note, this is unrelated to possible "C" compatibility// includes that inject C90/C99 names into the global namespace.#if __cplusplus == 199711L# define _GLIBCXX_NAMESPACE_GLOBAL_INJECTION 1#endif// The remainder of the prewritten config is automatic; all the// user hooks are listed above.// Create a boolean flag to be used to determine if --fast-math is set.#ifdef __FAST_MATH__# define _GLIBCXX_FAST_MATH 1#else# define _GLIBCXX_FAST_MATH 0#endif// This marks string literals in header files to be extracted for eventual// translation. It is primarily used for messages in thrown exceptions; see// src/functexcept.cc. We use __N because the more traditional _N is used// for something else under certain OSes (see BADNAMES).#define __N(msgid) (msgid)// For example, <windows.h> is known to #define min and max as macros...#undef min#undef max// End of prewritten config; the discovered settings follow.